CN107238453A - A kind of device for pressure measurement - Google Patents
A kind of device for pressure measurement Download PDFInfo
- Publication number
- CN107238453A CN107238453A CN201710512429.2A CN201710512429A CN107238453A CN 107238453 A CN107238453 A CN 107238453A CN 201710512429 A CN201710512429 A CN 201710512429A CN 107238453 A CN107238453 A CN 107238453A
- Authority
- CN
- China
- Prior art keywords
- bearing
- installation position
- force snesor
- pressure measurement
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/04—Measuring force or stress, in general by measuring elastic deformation of gauges, e.g. of springs
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/26—Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0052—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to impact
Abstract
The invention provides a kind of device for pressure measurement, including bearing, bearing holder (housing, cover) and force snesor, bearing is arranged in bearing holder (housing, cover), and force snesor is arranged on the outside of the outer ring of bearing or is arranged on bearing holder (housing, cover).The present invention measures pulling force by the way that force snesor is attached into bearing outer ring or force snesor is arranged on bearing holder (housing, cover) using the mode measured indirectly, simple in construction, with low cost；By the way that device for pressure measurement is arranged on fixation kit, the normal operation of equipment is not influenceed, while can guarantee that accurate variable；By setting force snesor installation position, it is to avoid sensor installs interference and by set key come fixing bearing, realizes the good fixation of bearing；By reasonably setting bearing to coat angle and block board thickness, the reliability and stability that bearing is installed both had been ensure that, fixation kit deformation, the measurement range of controling power can have well been controlled again, and keep higher sensitivity.
Description
Technical field
The invention belongs to sensor field, more particularly to a kind of device for pressure measurement.
Background technology
Pressure sensor is one of the most frequently used sensor, can be divided into strain chip and spring etc. according to principle, but existing
Some pressure sensors, usually require that testee is relatively fixed with sensor, traditional in the case where testee is moved
Sensor can not well realize measurement, such as the contact of foil gauge needs wire to connect, when axle rotates, can not generally use or
It is attached using slip ring, but now, sensor life-time will be influenceed by structures such as slip rings, and reliability is not good, lack a kind of
Suitable for the device for pressure measurement under operating or situation of movement.
The content of the invention
In view of this, in order to overcome the deficiencies in the prior art present invention to provide a kind of device for pressure measurement, by that will sense
Device is external, and the pressure that fixation kit is caused is measured using rotation or the compression of mobile component, with the side measured indirectly
Formula, is solved in existing direct measurement mode, and sensor can not be arranged or the problem of longevity.
In order to realize above-mentioned technical purpose, the present invention uses following technical scheme：
A kind of device for pressure measurement, including bearing, bearing holder (housing, cover) and force snesor, bearing are arranged in bearing holder (housing, cover), power sensing
Device is arranged on the outside of the outer ring of bearing or is arranged on bearing holder (housing, cover).
Further, bearing holder (housing, cover) is provided with bearing installation position and force snesor installation position, bearing installation position and force snesor
Installation position is separately positioned on dividing plate both sides or bearing installation position and force snesor installation position is joined directly together.
Further, when force snesor is arranged on bearing, laminating sets strong sensing on the outside of the outer ring of the bearing
Device, the outer ring is additionally provided with keyway, and is provided with the relevant position of the bearing holder (housing, cover) keyway institute with the outer ring
The keyway matched somebody with somebody.
Further, bearing is additionally provided with support frame and dust cap.
Further, the bearing installation position is circular hole, and the keyway and force snesor installation position are positioned opposite, the power
Sensor installation position is channel-shaped, and the circular hole junction of the channel-shaped force snesor installation position and bearing installation position is tangent or is provided with circle
Arc chamfering.
Further, the circular hole of bearing installation position is not less than 181 ° to the cladding angle of bearing.
Further, when force snesor is arranged on bearing holder (housing, cover), bearing installation position is to be set on the outside of circular hole, bearing installation position
Be equipped with force snesor installation position, force snesor installation position is connected with bearing installation position by dividing plate, sensor installation position be groove or
Hole, sensor installation position side adjacent with bearing installation position is arranged to arc-shaped, and coaxially arranged with bearing installation position, power sensing
Device is arranged on dividing plate.
Further, dividing plate is integrated with bearing holder (housing, cover) is manufactured or is inserted in as plugboard in bearing holder (housing, cover), and force snesor is installed
Bit width is identical with the diameter of bearing installation position.
Further, force snesor is foil gauge.
Further, in addition to wiring board, the wiring board is external or is arranged in force snesor installation position, wiring board with
Force snesor is connected.
Further, the bearing is one kind in deep groove ball bearing, roller bearing, thrust bearing or self-aligning bearing.
Further, bearing clearance is not more than 0.5mm.
A kind of axis torque sensor, uses the device for pressure measurement of the present invention.
Beneficial effects of the present invention are：
1) by the way that force snesor is attached into bearing outer ring or force snesor is arranged on bearing holder (housing, cover), use what is measured indirectly
Mode measures pulling force, simple in construction, with low cost.
2) by the way that device for pressure measurement is arranged on fixation kit, the normal operation of equipment is not influenceed, be can guarantee that simultaneously
Accurate variable.
3) by setting sensor installation position, it is to avoid force snesor installs interference and by set key come fixing bearing, real
The good fixation of existing bearing.
4) by reasonably setting bearing to coat angle and block board thickness, reliability that bearing installs and had stably both been ensure that
Property, fixation kit deformation, the measurement range of controling power can be well controlled again, and keep higher sensitivity.
Brief description of the drawings
Fig. 1 is a kind of first embodiment structural representation of device for pressure measurement of the invention；
Fig. 2 is the structural representation that there is a kind of device for pressure measurement of the invention integral bearing to cover；
Fig. 3 is a kind of structural representation of device for pressure measurement second embodiment of the invention；
Fig. 4 is a kind of bearing arrangement schematic diagram of device for pressure measurement of the invention；
Fig. 5 is structural representation when a kind of device for pressure measurement of the invention is applied to bicycle middle shaft；
Fig. 6 is an a kind of bearing arrangement structure schematic diagram of device for pressure measurement of the invention；
Each reference name is as follows in accompanying drawing：1st, bearing；2nd, bearing holder (housing, cover)；3rd, force snesor；4th, wiring board；5th, sensor is installed
Position；6th, inner ring；7th, outer ring；8th, rolling element；9th, keyway；9-1 bearing holder (housing, cover) keyways；10th, threaded joints；11st, lip；12nd, bearing
Installation position.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with the accompanying drawings and embodiment, it is right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
A kind of device for pressure measurement, including bearing 1, bearing holder (housing, cover) 2 and force snesor 3, bearing 1 are arranged in bearing holder (housing, cover) 2, power
Sensor 3 is arranged on the outside of outer ring 7 of bearing 1 or is arranged on bearing holder (housing, cover) 2, and bearing holder (housing, cover) 2 is provided with bearing installation position and power is passed
The installation position of sensor 3, bearing installation position and the installation position of force snesor 3 are separately positioned on dividing plate both sides or bearing installation position and power sensing
The installation position of device 3 is joined directly together.
First embodiment
Refer to Fig. 1 and Fig. 2：
A kind of device for pressure measurement, including bearing 1, bearing holder (housing, cover) 2 and force snesor 3, bearing 1 are arranged in bearing holder (housing, cover) 2, power
Sensor 3 is arranged on bearing holder (housing, cover) 2, and bearing holder (housing, cover) 2 is provided with bearing installation position 12 and the installation position of force snesor 3, bearing installation position
12 and the installation position of force snesor 3 be separately positioned on dividing plate both sides, be specially:
Referring to Fig. 1, bearing holder (housing, cover) 2 can have any shape, bearing holder (housing, cover) 2 is designed with a slotted eye or other are irregular
Arcuate socket, pass through a dividing plate formation one circular bearing installation position 12 and sensor installation position 5, the He of bearing installation position 12
Sensor installation position 5 separates by dividing plate, and the dividing plate is arc, and dividing plate external diameter is more than the external diameter of bearing 1, and the dividing plate can be inserted into
Bearing holder (housing, cover) 2, and be fitted close with the corresponding part of the bearing holder (housing, cover) 2, dividing plate collectively constitutes the bearing installation position of circle with bearing holder (housing, cover) 2
12, in figure, the dividing plate is the homogeneous arc of equal thickness, certainly to obtain different measurement performances, can change this as needed
The thickness of dividing plate everywhere, in this implementation, is provided with bearing 1 in bearing installation position 12.The bearing 1 is plain bearing 1, such as zanjon
Ball bearing 1, roller bearing 1, thrust bearing 1, self-aligning bearing 1 etc., it is not any limitation as herein.
Bearing holder (housing, cover) 2 is also formed with another sensor installation position 5 with dividing plate, for setting force snesor 3 and placing circuit
Plate 4, wherein force snesor 3 are arranged on the outside of dividing plate and are close to baffle surface setting, and force snesor 3 can select foil gauge or bullet
In spring formula pressure sensor 3, the present embodiment, force snesor 3 is foil gauge.It should be noted that in order to obtain better performance,
The width of the installation position of force snesor 3 is identical with the external diameter of bearing 1, and the edge of force snesor 3 sets circular arc chamfering, to reduce stress
Concentration phenomenon, causes device for pressure measurement to fail.Wiring board 4 can be set in sensor installation position 5, the wiring board 4 is amplifier
Or other signal processing units, certainly, wiring board 4 also can be external, and it is connected by wire with the foil gauge being arranged on dividing plate.
In addition it is installation and the normal work for ensureing dividing plate, dividing plate two ends should reserve suitable length and good with bearing holder (housing, cover) 2
It is fixed.
Referring to Fig. 2, compared to embodiment as shown in Figure 1, in Fig. 2, dividing plate and the integrated design of bearing holder (housing, cover) 2 can lead to
Cross the modes such as casting cutting directly to manufacture, simplify manufacturing process, reduce cost.
Second embodiment,
Fig. 3 and Fig. 4 are referred to,
A kind of device for pressure measurement, including including bearing 1, bearing holder (housing, cover) 2 and force snesor 3, bearing 1 is arranged on bearing holder (housing, cover) 2
Interior, force snesor 3 is arranged on the outside of bearing 1, and bearing holder (housing, cover) 2 is provided with bearing installation position 12 and the installation position of force snesor 3, bearing peace
Dress position 12 and the installation position of force snesor 3 are not joined directly together by dividing plate, are specially:
Referring to Fig. 3, bearing holder (housing, cover) 2 can have any shape, bearing holder (housing, cover) 2 is designed with a slotted eye or other are irregular
Arcuate socket, the arc or slotted eye are compound and directly by circular bearing installation position 12 and a sensor installation position 5
Connection is formed.Wherein, bearing installation position 12 is more than half circle, and bearing installation position 12 can form half clad structure to bearing 1,
Bearing holder (housing, cover) keyway 9-1 is provided with bearing installation position 12, bearing holder (housing, cover) keyway 9-1 may be provided at any position of bearing installation position 12
Put, optimal, the keyway 9 and the opening of bearing installation position 12 are positioned opposite, two of bearing installation position 12 and the contact of bearing 1
The angle a that end points is constituted to the pivot of bearing 1 is cladding angle, to ensure the good fixation of bearing 1, bearing cladding angle a
180 ° are should be greater than, such as in the present embodiment, the angle is 220 °, certainly, according to different Sensor Design demands, be can be set
Different bearing cladding angle a, it is thus only necessary to ensure that bearing 1 can well be fixed and will not deviate from out of installation position, sense
Device installation position 5 and the direct UNICOM in bearing installation position 12, as shown in figure 3, the both sides of sensor installation position 5 and bearing installation position 5
Both sides end points is tangent, certainly, according to different design requirements, can not be tangent with two end points of bearing installation position 12, but should
Circular arc chamfering is set to avoid intersection from producing stress concentration.
In addition to two end points of above-mentioned bearing installation position 12 and the both sides of sensor installation position 5 are joined directly together, it can also set
Put and the two ends of bearing installation position 12 are designed to the shape of lip 11, the leading portion of lip 11 is arranged to arc-shaped, to sensor installation position 5
Side extends.In this implementation, bearing 1 is provided with bearing installation position 12.Such as deep groove ball bearing 1, roller bearing 1, thrust axis
1, self-aligning bearing 1 etc. is held, is not any limitation as herein.
Referring to Fig. 4, it should be noted that the bearing 1 in the present embodiment is torque bearing 1, the torque bearing 1 includes interior
Circle 6, outer ring 7 and rolling element 8, the inner ring 6 of bearing 1 and outer ring 7 are coaxially connected, annular etc. between the inner ring 6 of bearing 1 and outer ring 7
Away from rolling element 8 is placed with, the outside of outer ring 7 laminating of bearing 1 sets force sensor 3, and outer ring 7 is additionally provided with keyway 9, most preferably
, keyway 9 and force snesor 3 are positioned opposite, certainly, and keyway 9 also can be at an angle of arrangement with force snesor 3, more preferable to obtain
Life-span and performance, bearing 1 can also increase support frame and dust cap, and this installation settings of outer bearing 1 has certain clearance, it is ensured that bearing
1 outer ring 7 has rational deformation quantity, and the clearance is not more than 0.5mm.
The torque bearing 1 is by adjusting the thickness of outer ring 7 to realize different rigidity, so as to adjust the spirit of force snesor 3
Sensitivity and range.In addition also specific measurement capability can be obtained by adjusting the thickness and development length of lip 11.This implementation
In example, force snesor 3 is foil gauge, and the foil gauge is arranged on the outer ring 7 of bearing 1 and is brought into close contact with the outer ring 7 of bearing 1.Foil gauge
Output be connected with wiring board 4, the wiring board 4 be amplifier or other signal processing units, wiring board 4 be arranged on sensor peace
Fill in position 5, certainly, wiring board 4 also can be external and is connected by wire with force snesor 3.
Particularly, force snesor 3 should be arranged on bearing installation position 12 and a sensor installation position 5 intersection, and power is passed
Sensor 3 should be at the center of intersection.Force snesor 3 should not be covered by any one place of bearing installation position 12, therefore, lip
The development length of mouth 11 should not cover foil gauge.
3rd embodiment,
Referring to Fig. 5, this figure is application of the device for pressure measurement on bicycle middle shaft torque sensor, bearing holder (housing, cover) 2
Manufacture integrated with the end cap of torque axis, sets bearing installation position 12 and sensor installation position 5, bearing installation position on end cap
12 be circular arc state, and the end of bearing installation position 12 is connected with sensor installation position 5, bearing installation position 12 and sensor installation position 5
It is joined directly together, the both sides of sensor installation position 5 and the end of bearing installation position 12 are tangent, two ends and the bearing 1 of bearing installation position 12 revolve
The cladding angle that the line of the rotating shaft heart is constituted is to be additionally provided with keyway 9, bearing installation position 12 to set in 220 °, bearing installation position 12
Bearing 1 is equipped with, the bearing 1 is provided with keyway 9, the keyway 9 of bearing 1 aligns simultaneously with the bearing holder (housing, cover) keyway 9-1 of bearing installation position 12
It is located by connecting by key, it is ensured that the rotation of the outer ring 7 of bearing 1 is fixed, the outer ring 7 of bearing 1 is fitted with pressure-strain piece, to measure axle
1 deformation is held, the output of pressure-strain piece is connected on wiring board 4, and wiring board 4 is arranged in sensor installation position 5.
End cap one end is provided with threaded joints 10, and the threaded joints 10 are connected with bicycle bottom bracket.The bearing 1 of end cap
Axle is inside provided with, chain wheel and crank are provided with the axle.
It is significant to note that, the device for pressure measurement answers lateral arrangement, i.e. device for pressure measurement center and bearing 1
The line and ground level at center.
Certainly, except the scheme using embodiment 2, the bicycle middle shaft torque sensor can also use the side of embodiment 1
Case carries out pressure measxurement.
During as torgue measurement, the operation principle of the device for pressure measurement is：During work, when people's pushes pedals, pass through song
Grip strip moving axis and chain wheel rotation, chain wheel are rotated by chain-driving wheel.Due to the running resistance of wheel so that chain is tightened,
Chain produces pulling force backward to chain wheel, and the pulling force is applied on bearing 1 by axle, due to the horizontal cloth of the force snesor 3 of bearing 1
Put, when bearing 1 is by pressure backward, pressure acts on the outer ring 7 of the laminating sensor of bearing 1 side so that bearing 1 it is outer
Circle 7 bears pulling force, causes deformation, is changed by the resistance of foil gauge and carries out pressure measxurement, now can draw input by conversion
The value of thrust can be used directly as the control signal of vehicle in moment of torsion, in stationary vehicle or when sliding, because chain does not stress,
Pulling force backward is not produced, now, i.e., person who happens to be on hand for an errand stands on bicycle, because people is downward to the pressure of bearing 1, do not produce backward
Pulling force, the lateral deformation quantity of bearing 1 now is small, and output signal is small or no signal, in this, as the foundation for differentiating vehicle booster.
Certain device for pressure measurement is also used as the sensing data source for the power meter or physical consumption ridden.And
Suitable for forerunner or the scheme of rear-guard wheel hub motor.
Fourth embodiment
The present embodiment be device for pressure measurement as a kind of application of weighing sensor, specifically, with embodiment 1 or implement
Exemplified by the sensor of example 2.Bearing 1 is provided with bearing holder (housing, cover) 2, the inner ring 6 of bearing 1 is socketed with axle, and bearing holder (housing, cover) 2 can be with pedestal or housing
It is fixed, when installing bearing holder (housing, cover) 2, will the one side ground installation downward vertically of force snesor be set on bearing holder (housing, cover) 2 or bearing 1.Power
The output connection amplifier or process circuit of sensor are simultaneously exported.
During work, when axle is by a downward pressure, axle is by pressure transmission to bearing 1, the outer ring 7 of bearing 1 or dividing plate
Be under pressure generation deformation, and foil gauge gathers the deformation and is converted into pressure signal output, compared to conventional static measurement side
Formula, the measurement advantage of the sensing is, static pressure measurement can be both carried out as traditional sensor, can also be in motion
During measure, such as by the sensor set on a moving belt, roller band driving-axle gearing, while the pressure on conveyer belt
Deformation is produced to the pressure of bearing 1 to measure, now have no effect on the operation of axle, realize conveyer belt work by roller and axle
Make the real-time measurement of process.Thus extend, the device for pressure measurement can be additionally used in the pressure measxurement of vehicle axles etc., for surveying
Measure impulsive force in amount and traveling of vehicle etc..
A kind of of the invention device for pressure measurement has the beneficial effect that：
1) by the way that force snesor is attached into bearing outer ring or force snesor is arranged on bearing holder (housing, cover), use what is measured indirectly
Mode measures pulling force, simple in construction, with low cost.
2) by the way that device for pressure measurement is arranged on fixation kit, the normal operation of equipment is not influenceed, be can guarantee that simultaneously
Accurate variable.
3) by setting force snesor installation position, it is to avoid force snesor installs interference and by set key come fixing bearing,
Realize the good fixation of bearing.
4) by reasonably setting bearing to coat angle and block board thickness, reliability that bearing installs and had stably both been ensure that
Property, fixation kit deformation, the measurement range of controling power can be well controlled again, and keep higher sensitivity.
Embodiment described above only expresses embodiments of the present invention, and it describes more specific and detailed, but can not
Therefore it is interpreted as the limitation to the scope of the claims of the present invention.The present invention, such as motor can be implemented using different combinations
It can be installed using concentric co-axial or side is installed, reducing gear can be slowed down or other gears, chain by planetary gear
Slowing-down structure, axis can use single-shaft configuration or left and right axle construction, sensor can using various torque sensors or
Velocity sensor, it is noted that for the person of ordinary skill of the art, is not departing from the premise of present inventive concept
Under, various modifications and improvements can be made, these belong to protection scope of the present invention.Therefore, the protection of patent of the present invention
Scope should be determined by the appended claims.
Claims (13)
1. a kind of device for pressure measurement, it is characterised in that including bearing, bearing holder (housing, cover) and force snesor, the bearing is arranged on axle
In bearing sleeve, the force snesor is arranged on the outside of the outer ring of the bearing or is arranged on the bearing holder (housing, cover).
2. device for pressure measurement according to claim 1, it is characterised in that the bearing holder (housing, cover) be provided with bearing installation position and
Force snesor installation position, the bearing installation position and force snesor installation position be separately positioned on dividing plate both sides or bearing installation position and
Force snesor installation position is joined directly together.
3. device for pressure measurement according to claim 2, it is characterised in that when force snesor is arranged on bearing, institute
State laminating on the outside of the outer ring of bearing and force sensor is set, the outer ring is additionally provided with keyway, and in the phase of the bearing holder (housing, cover)
Position is answered to be provided with the keyway matched with the keyway of the outer ring.
4. device for pressure measurement according to claim 3, it is characterised in that the bearing is additionally provided with support frame and dust-proof
Lid.
5. device for pressure measurement according to claim 3, it is characterised in that the bearing installation position is circular hole, the key
Groove and force snesor installation position are positioned opposite, and the force snesor installation position is channel-shaped, the channel-shaped force snesor installation position and axle
The circular hole junction for holding installation position is tangent or be provided with circular arc chamfering.
6. device for pressure measurement according to claim 5, it is characterised in that the circular hole of the bearing installation position is to bearing
Coat angle and be not less than 181 °.
7. device for pressure measurement according to claim 2, it is characterised in that when force snesor is arranged on bearing holder (housing, cover),
The bearing installation position is circular hole, sets force sensor installation position on the outside of bearing installation position, the force snesor installation position with
Bearing installation position is connected by dividing plate, and the sensor installation position is groove or hole, the sensor installation position and bearing installation position
Adjacent side is arranged to arc-shaped, and coaxially arranged with bearing installation position, and the force snesor is arranged on dividing plate.
8. device for pressure measurement according to claim 7, it is characterised in that dividing plate manufacture integrated with bearing holder (housing, cover) or
It is inserted in as plugboard in bearing holder (housing, cover), it is identical with the diameter of bearing installation position that the force snesor installs bit width.
9. according to the device for pressure measurement described in any one of claim 1-8, it is characterised in that the force snesor is strain
Piece.
10. outside the device for pressure measurement according to claim 1-8, it is characterised in that also including wiring board, the wiring board
Put or be arranged in force snesor installation position, the wiring board is connected with force snesor.
11. according to any described device for pressure measurement of claim 1-8, it is characterised in that the bearing be deep groove ball bearing,
One kind in roller bearing, thrust bearing or self-aligning bearing.
12. according to any described device for pressure measurement of claim 1-8, it is characterised in that the bearing clearance is not more than
0.5mm。
13. a kind of axis torque sensor, it is characterised in that the device for pressure measurement described in the right to use 1.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710512429.2A CN107238453A (en) | 2017-06-29 | 2017-06-29 | A kind of device for pressure measurement |
| PCT/CN2017/107312 WO2019000730A1 (en) | 2017-06-29 | 2017-10-23 | Pressure measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710512429.2A CN107238453A (en) | 2017-06-29 | 2017-06-29 | A kind of device for pressure measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107238453A true CN107238453A (en) | 2017-10-10 |
Family
ID=59991232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710512429.2A Pending CN107238453A (en) | 2017-06-29 | 2017-06-29 | A kind of device for pressure measurement |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107238453A (en) |
| WO (1) | WO2019000730A1 (en) |
Cited By (5)
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| CN107860501A (en) * | 2017-12-20 | 2018-03-30 | 宁波慈兴精密传动科技有限公司 | Bearing measuring load-measuring device |
| CN108801504A (en) * | 2018-08-27 | 2018-11-13 | 太仓市悦博电动科技有限公司 | A kind of device for pressure measurement and bicycle tread sensors |
| WO2019000730A1 (en) * | 2017-06-29 | 2019-01-03 | 太仓市荣驰电机有限公司 | Pressure measuring device |
| CN110030010A (en) * | 2019-01-30 | 2019-07-19 | 北京工业大学 | For detecting the hob holder and hob assembly of hobboing cutter stress |
| CN112124901A (en) * | 2020-10-12 | 2020-12-25 | 潍坊工商职业学院 | Mechanical equipment fault location and alarm protection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019000730A1 (en) * | 2017-06-29 | 2019-01-03 | 太仓市荣驰电机有限公司 | Pressure measuring device |
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| CN108801504A (en) * | 2018-08-27 | 2018-11-13 | 太仓市悦博电动科技有限公司 | A kind of device for pressure measurement and bicycle tread sensors |
| CN110030010A (en) * | 2019-01-30 | 2019-07-19 | 北京工业大学 | For detecting the hob holder and hob assembly of hobboing cutter stress |
| CN112124901A (en) * | 2020-10-12 | 2020-12-25 | 潍坊工商职业学院 | Mechanical equipment fault location and alarm protection device |
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| Publication number | Publication date |
|---|---|
| WO2019000730A1 (en) | 2019-01-03 |
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